<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        body{
            background-image: url(./1.jpg) 
        }
        .one{
            position: relative;
            width: 200px;
            height: 50px;
            background-color: white;
            text-align: center;
            line-height: 50px;
            top: 50px;
            left: 30px;
        }
        .tree{
            position: relative;
            width: 300px;
            height: 100px;
            background-color: white;
           margin-top: 55px;
            left: 30px;
        }

        .two{
            width: 500px;
            height: 300px;
            background-color: aqua;
            position: absolute;
            top: 30%;
            left: 30%;
           display: none;
        }
        .a{
            width: 100%;
            height: 30px;
            display: block;
            background-color: white;
            text-align: center;
        }
        .b{
            position: absolute;
            top: 4px;
            right: 10px;
        }
        .text{
            width: 400px;
            height: 150px;
            margin-left: 50px;

        }
        .op
    {
        position: absolute;
        left: 45%;
    }
    .XX{
        position: absolute;
        top: 10px;
        right: 10px;
        display: none;
    }
    </style>
</head>
<body>
    <div class="one">
        点击留言
    </div>
 
    <div  class="nop">
     
       </div>
    <div class="two">
        <div class="aa">
            <span class="a">message</span>
        <span class="b">X</span>
        </div>
        <div class="bb">
            name:  <input type="text" class="input"><br>
            content: <br>
            <textarea  class="text">

            </textarea>
        </div>
        <span class="op">
            <button class="yes">确定</button>
            <button class="no">关闭</button>
        </span>
       
    </div>








</body>
</html>
<script src="1.js">
</script>